Bug 1006198 - Apply Y flip if necessary to tiled Textures in ImageHost. r=nical
Bug 1006198 -  Add PremultiplyDataSurface. r=nical
Bug 1006198 - Use Moz2D for WebGL snapshot readback. r=jgilbert
Bug 1006198 - Use a temporary surface if alignment is wrong during WebGL readback. r=jgilbert
Bug 1006198 - Remove a bunch of dead Thebes code. r=jgilbert
Bug 1006198 - Use 8byte aligned surface for CopyableCanvasLayer since that's the max WebGL supports for readback. r=nical